Pressure relief valve for packing containers
    6.
    发明授权
    Pressure relief valve for packing containers 失效
    用于包装容器的泄压阀

    公开(公告)号:US4134535A

    公开(公告)日:1979-01-16

    申请号:US876949

    申请日:1978-02-10

    IPC分类号: B65D77/22 B65D31/14 F16K9/00

    CPC分类号: B65D77/225 Y10T137/4643

    摘要: A pressure relief valve for packages in which the valve element comprises a liquid impregnated porous element covering outlet openings in the package, with the liquid layer in the porous element being torn open by package contents pressures in excess of a predetermined value to permit gas outflow from the package.

    摘要翻译: 一种用于包装的压力释放阀,其中所述阀元件包括覆盖所述包装中的出口开口的液体浸渍的多孔元件,所述多孔元件中的液体层被包装内容物压力超过预定值而被撕开,以允许气体从 包装。

    Process for decaffeinating green coffee
    10.
    发明授权
    Process for decaffeinating green coffee 失效
    脱咖啡因生咖啡的过程

    公开(公告)号:US4308291A

    公开(公告)日:1981-12-29

    申请号:US100615

    申请日:1979-12-05

    IPC分类号: A23F5/20

    CPC分类号: A23F5/206

    摘要: A process for decaffeinating green coffee comprising treating green coffee with at least one acetal of the general formula ##STR1## wherein R.sup.1 is a hydrogen atom or a methyl group and R.sup.2 and R.sup.3 are each a methyl group or an ethyl group, as an organic solvent, and removing solvent residues by steaming the treated green coffee.

    摘要翻译: 一种用于脱咖啡因的咖啡咖啡的方法,包括用至少一种通式为“IMAGE”的缩醛处理生咖啡,其中R1是氢原子或甲基,R2和R3各自是甲基或乙基作为有机溶剂 ,并通过蒸煮处理的生咖啡来除去溶剂残留物。